 | | Re: [Flashcoders] Async LoadVars > 2 Connection Limit HTTP
1.1 | Re: [Flashcoders] Async LoadVars > 2 Connection Limit HTTP
1.1
2004-02-18 - By EECOLOR
Back
Nice work!
I dont know if i will use it in the future, but thanx alot for the effort
of sharing.
Greetz Erik
At 14:06 18-2-2004, you wrote:
>Hi All -
>
>This is a follow-up from my previous posting about asynchronous Loadvars
>calls. I thought I 'd post the answer and save anyone else out there
>having to figure it all out again!
>
>
>Here is the sample actionscript code to demonstrate the problem:
>-The server ASP page pause 10 seconds then gives a result back.
>-You 'll a textfield on a stage instanced res_txt.
>__ ____ ____ ____ ____ ____ ____ ____ ____ ____
>_global.callHost = function(callerid) {
>res_txt.text = res_txt.text +newline+ ( "callHost "+callerid);
>var objLoadVars;
>objLoadVars = new LoadVars();
>objLoadVars.returnID = callerid;
>
> objLoadVars.onLoad = function(success) {
> res_txt.text = res_txt.text +newline+ ( "call host
>1 "+success+objLoadVars.returnID);
> if(success){
> _global.hostResult(objLoadVars);
> } else {
> _global.hostResult(objLoadVars);
> }
> }
>//send and load the data
>objLoadVars.sendAndLoad(( "http://testplay.server.com/pause10seconds.asp "
>),objLoadVars, "GET ");
>}
>
>__ ____ ____ ____ ____ ____ ____ ____ ____ ____
>_global.hostResult = function(objRet) {
> var variable;
> for(variable in objRet){
> //res_txt.text = res_txt.text +newline+ "HOST RESULT 1
>variable: "+variable+ " value: "+objRet[variable];
> }
>
>}
>
>__ ____ ____ ____ ____ ____ ____ ____ ____ ____
>for (i=0;i <6;i++) {
> _global.callHost(i);
>}
>__ ____ ____ ____ ____ ____ ____ ____ ____ ____
>
>
>Now run the thing you 'll notice that only two calls get fired off at a
>time.
>Check the web logs from your webserver and you 'll see something like
>this:
>
>2004-02-18 12:52:23 GET /pause10seconds.asp
>2004-02-18 12:52:23 GET /pause10seconds.asp
>2004-02-18 12:52:33 GET /pause10seconds.asp
>2004-02-18 12:52:33 GET /pause10seconds.asp
>2004-02-18 12:52:43 GET /pause10seconds.asp
>2004-02-18 12:52:43 GET /pause10seconds.asp
>
>Notice the time (seconds.)
>
>This happens using all browsers because of HTTP 1.1 specification
>(RFC2068) which mandates a two-connection limit. You can override this
>in IE by setting some registry values:
>
>http://support.microsoft.com/default.aspx?scid=http://support.microsoft.
>com:80/support/kb/articles/q183/1/10.asp&NoWebContent=1
>
>Obviously not practical for the web...
>
>If anyone is interested Ive written and extension to the LoadVars object
>to queue requests also allowing you to set priority levels on calls in
>order to simulate true unlimited asynchronous calls and let you control
>the order and amount of host calls
>
>If anyone is interested Ill post it
>
>
>Cheers ash
=-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
Supported by Fig Leaf Software
=-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
Be sure to check the archives and the wiki:
http://chattyfig.figleaf.com/
=-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
http://chattyfig.figleaf.com/cgi-bin/ezmlm-cgi?1:mss:104589
=-- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
To unsubscribe send a blank e-mail to:
Normal Mode: flashcoders-unsubscribe@(protected)
Digest Mode: flashcoders-digest-unsubscrive@(protected)
|
|
|